OSAKA -- After three years of design development, industrial gas company Iwatani is launching a portable cassette gas "fireplace" that will hit store shelves in Japan starting this summer.

Commissions do not affect our editors' opinions or evaluations. Today’s average price of gas in the U.S. is $3.16 per gallon, unchanged from yesterday, up $0.02 from last week and up $0.04 from ...

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